.message-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 500;
}

.user-message .message-header {
  color: rgba(255, 255, 255, 0.9);
}

.ai-message .message-header {
  color: #8E8E93;
}

.message-role {
  font-weight: 600;
}

.message-time {
  opacity: 0.8;
  font-size: 12px;
}

